/**
 * Handlers for getState, getSettings, updateSettings.
 * Context: holesailManager, certificateAuthority, httpsProxy, connectProxy, getProxiesReadyPromise, getTunnelsRestoredPromise, scheduleNextAutoBackup, debugLog
 */

function register(deps) {
  const { holesailManager, certificateAuthority, httpsProxy, connectProxy, getProxiesReadyPromise, getTunnelsRestoredPromise, scheduleNextAutoBackup, debugLog } = deps;
  return [
    {
      type: 'getState',
      handle: async (payload, reply) => {
        const proxiesReadyPromise = getProxiesReadyPromise();
        const tunnelsRestoredPromise = getTunnelsRestoredPromise();
        if (proxiesReadyPromise) await proxiesReadyPromise;
        if (tunnelsRestoredPromise) {
          let _fallbackTimer;
          await Promise.race([
            tunnelsRestoredPromise.finally(() => clearTimeout(_fallbackTimer)),
            new Promise((r) => { _fallbackTimer = setTimeout(r, 15000); })
          ]);
        }
        const servers = holesailManager.getServers();
        const virtualHosts = holesailManager.getVirtualHosts();
        const serviceTunnels = holesailManager.getServiceTunnels();
        const proxyPort = holesailManager.getProxyPort();
        const connectProxyPort = connectProxy.getPort();
        const settings = holesailManager.getSettings();
        const sshConnections = holesailManager.getSshConnections();
        const rdpConnections = holesailManager.getRdpConnections();
        debugLog('getState: servers=', servers.length, 'virtualHosts=', virtualHosts.length, 'serviceTunnels=', serviceTunnels.length, 'proxyPort=', proxyPort, 'connectProxyPort=', connectProxyPort);
        const caInstalled = await new Promise((resolve) => {
          certificateAuthority.isRootCAInstalled((installed) => resolve(!!installed));
        });
        reply({
          ok: true,
          servers,
          virtualHosts,
          serviceTunnels,
          proxyPort,
          connectProxyPort: connectProxyPort ?? null,
          caInstalled,
          settings,
          sshConnections,
          rdpConnections,
          trafficStats: httpsProxy.getTrafficStats()
        });
      }
    },
    {
      type: 'getSettings',
      handle: async (payload, reply) => {
        reply({ ok: true, settings: holesailManager.getSettings() });
      }
    },
    {
      type: 'updateSettings',
      handle: async (payload, reply) => {
        const { requiresRestart } = holesailManager.updateSettings(payload);
        debugLog('updateSettings: applied', JSON.stringify(payload), 'requiresRestart=', requiresRestart);
        scheduleNextAutoBackup();
        reply({ ok: true, settings: holesailManager.getSettings(), requiresRestart });
      }
    }
  ];
}

module.exports = { register };